Samual and Anna are stuck with Baby Norus in prehistoric Argentina, a beautiful land filled with dinosaurs on the hunt for their next meal. Without anything to help, and no word from their time dinosaur Big-T, they are on their own. Samuel and Anna tiptoe through boiling hot poisonous springs, evade a terrifying abelisaur, fend off a pack of raptors and come face to face with the ferocious Spinosaurus!